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A Neo Bayesian Foundation Of The Maxmin Value For Two- Person Zero-Sum Games


  • HART, S.
  • MODICA, S.


A joint derivation of utility and value for two-person zero-sum games is obtained using a decision theoretic approach. Acts map states to consequences. The latter are lotteries over prizes, and the set of states is a product of two finite sets (m rows and n columns). Preferences over acts are complete, transitive, continuous, monotonic and certainty-independent (Gilboa and Schmeidler (1989)), and satisfy a new axiom of strategic flexibility which we introduce. These axioms are shown to characterize preferences such that (i) the induced preferences on consequences are represented by a von Neumann-Morgenstern utility function, and (ii) each act is ranked according to the maxmin value of the corresponding m x n utility matrix (a two-person zero-sum game). An alternative statement of the result deals simultaneously with all finite two-person zero-sum games in the framework of conditional acts and preferences.
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Suggested Citation

  • Hart, S. & Modica, S. & Schmeidler, D., 1990. "A Neo Bayesian Foundation Of The Maxmin Value For Two- Person Zero-Sum Games," Papers 38-90, Tel Aviv.
  • Handle: RePEc:fth:teavfo:38-90

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    References listed on IDEAS

    1. Tijs, S.H., 1981. "A characterization of the value of zero-sum two person games," Other publications TiSEM dc8d850f-f026-4f07-8049-1, Tilburg University, School of Economics and Management.
    2. Gilboa, Itzhak & Schmeidler, David, 1989. "Maxmin expected utility with non-unique prior," Journal of Mathematical Economics, Elsevier, vol. 18(2), pages 141-153, April.
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    Cited by:

    1. Maccheroni, Fabio & Marinacci, Massimo & Rustichini, Aldo, 2006. "Dynamic variational preferences," Journal of Economic Theory, Elsevier, vol. 128(1), pages 4-44, May.
    2. Mosquera, M.A. & Borm, P. & Fiestras-Janeiro, M.G. & GarcĂ­a-Jurado, I. & Voorneveld, M., 2008. "Characterizing cautious choice," Mathematical Social Sciences, Elsevier, vol. 55(2), pages 143-155, March.


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